[R-sig-Geo] create rasters using pca components of bioclimatic variables

[Andre]

Hi,

I performed pca in 4 bioclimatic variables using princomp.

##stack rasters
myExpl <- raster::stack (Bio01,Bio02,Bio03,Bio04)
##read as data.frame
m <- as.data.frame(myExpl)
##pca (here I used formula to activate na.action) 
pca <- princomp(formula = ~., data = m, cor = TRUE, na.action=na.exclude)

Now I would like to create rasters (with the same size as BIO01) for each
component of the PCA to use them as input in biomod2.

What is the best way to do this?

Many thanks,

Andre



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